Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4622889 | Percolator including pump type dispenser | William A. Chappell, David T. Higgins, Michael D. Reynolds | 1986-11-18 |
| 4512246 | Percolator including pump-type dispenser | William A. Chappell, David T. Higgins | 1985-04-23 |
| 4509412 | Food steaming device | Stephen L. Whittenburg, David D. McCormick, A. Aykut Ozgunay, James T. Williams | 1985-04-09 |
| 4464983 | Percolator including pump-type dispenser | William A. Chappell, David T. Higgins | 1984-08-14 |